2) Metabolic Training is High Intensity. Metabolic training is high intensity anaerobic exercise that makes you breathless. If you are completing a metabolic workout and you are not breathing hard and sweating, something is wrong.
Next page: Why white wine can stain teeth. When combined with the beverageâs acidity, the tannins in white wine act as a binding protein and help chromogens to saturate the toothâs surface, says Wolff. So when you linger over a cup of tea at the end of dinner, you are inadvertently discoloring your teeth.
However most people find that after successful whitening, teeth rarely return to their once deeply stained state. 1  If your discoloration is due to over-consumption of tea, coffee, wine or tobacco products etc. - and you do not change your behavior, then it is likely that the whitening effect will not last as long.